BOF 2: (BATCH SCHEDULING) use BOINC's reliable mechanism to improve turn around on important workunits set server parameters to escalate priority of additional results generated for a workunit, these get sent to clients which return work quickly and reliably tell the hosts to communicate with server every X days if a host doesn't communicate with the server within that time frame (maybe + Y), good chance it's gone how can we tell that a computer will be around? keep track of uptime many are not around on weekends